- The Northern Pacific Railroad sourvenir book.
- The Northern Pacific Railroad sourvenir book.
- The Northern Pacific Railroad sourvenir book.
- The Northern Pacific Railroad sourvenir book.
- The Northern Pacific Railroad sourvenir book.
- The Northern Pacific Railroad sourvenir book.
- The Northern Pacific Railroad sourvenir book.
- THE HOLY BIBLE REFERENCE BOOK
- SHOW ME THE DATA!!!
- History of Woodward Prime Mover Controls...
- From a customer's letter to Woodward about theory of operation on his device.
- Brad's Woodward factory photo of Elmer Woodward's compensating type water wheel governor.
- Blue print drawing history project.
- Blue print drawing history project.
- A Woodward gate shaft opening positioning dial in the collection.